/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.sohu.jafka.cluster;

import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

/**
 * The set of active brokers in the cluster
 * 
 * @author adyliu (imxylz@gmail.com)
 * @since 1.0
 */
public class Cluster {

    private final Map<Integer, Broker> brokers = new LinkedHashMap<Integer, Broker>();

    public Cluster() {}
    public Cluster(List<Broker> brokerList) {
        for (Broker broker : brokerList) {
            brokers.put(broker.id, broker);
        }
    }

    public Broker getBroker(Integer id) {
        return brokers.get(id);
    }

    public void add(Broker broker) {
        brokers.put(broker.id, broker);
    }

    public void remove(Integer id) {
        brokers.remove(id);
    }

    public int size() {
        return brokers.size();
    }

    @Override
    public String toString() {
        return "Cluster(" + brokers.values() + ")";
    }
}
